Levees / California / 3805010012

San Luis Rey River 3

Oceanside, San Diego County, California. On the San Luis Rey River. USACE records 14,694 people living in the area this system is built to protect.

A99USACE oversight
People behind it
14,694
USACE figure
Structures
4,652
in the leveed area
Levee length
5.5
miles, plus 0.13 of floodwall
Leveed area
3.15
square miles
01

The federal record

System ID
3805010012
System type
Levee System
FEMA accreditation
A99
Screening rating (LSAC)
High
Inspection rating
U
Inspection date
04/23/2013
Rehabilitation programme
NA
Responsible sponsor
USACE - Los Angeles District
Waterway
San Luis Rey River
Segments
1
USACE district
Los Angeles
USACE division
South Pacific Division
FEMA region
9
Congressional district
49
Consequence estimate
$1.38 billion
Flood of record
Not published

What this page does not tell you

It does not say whether any particular address is protected. A FEMA accreditation status describes this system measured against a design flood event, and USACE states that the database may not represent the totality of levees in the United States. If you need to know what applies to a specific property, your local floodplain administrator holds that answer. How to read an accreditation status.

02

Where it is

Source: USACE National Levee Database, system 3805010012. Refreshed 2026-09-10. Values are reproduced as published. USACE updates the database irregularly and without a change feed, so the refresh date above is the age of what you are reading.